<template>
	<div class="login_container">
		<div class="login_box">
			<!-- 头像区 -->
			<div class="avatar_box">
				<img src="../assets/logo.png" alt="" />
			</div>
			<!-- 登录表单区 -->
			<el-form
				ref="loginFormRef"
				:model="loginForm"
				:rules="loginFormRules"
				label-width="0px"
				class="login_form"
			>
				<!-- 用户名 -->
				<el-form-item prop="username">
					<el-input
						v-model="loginForm.username"
						prefix-icon="iconfont icon-user"
					>
					</el-input>
				</el-form-item>
				<!-- 密码 -->
				<el-form-item prop="password">
					<el-input
						v-model="loginForm.password"
						prefix-icon="iconfont icon-3702mima"
						type="password"
					>
					</el-input>
				</el-form-item>
				<!-- 按钮区域 -->
				<el-form-item class="btns">
					<el-button type="primary" @click="login">登录</el-button>
					<el-button type="info" @click="resetLoginForm"
						>重置</el-button
					>
				</el-form-item>
			</el-form>
		</div>
	</div>
</template>

<script>
export default {
	data() {
		return {
			// 登录表单的数据绑定对象
			loginForm: {
				username: 'admin',
				password: '123456',
			},
			// 表单的验证规则对象
			loginFormRules: {
				// 验证用户名是否合法
				username: [
					{
						required: true,
						message: '请输入登录名称',
						trigger: 'blur',
					},
					{
						min: 3,
						max: 10,
						message: '长度在 3 到 10 个字符',
						trigger: 'blur',
					},
				],
				// 验证密码是否合法
				password: [
					{
						required: true,
						message: '请输入登录密码',
						trigger: 'blur',
					},
					{
						min: 6,
						max: 15,
						message: '长度在 6 到 15 个字符',
						trigger: 'blur',
					},
				],
			},
		};
	},
	methods: {
		// 点击重置按钮, 重置登录表单
		resetLoginForm() {
			// console.log(this);
			this.$refs.loginFormRef.resetFields();
		},
		login() {
			this.$refs.loginFormRef.validate(async (valid) => {
				// console.log(valid);
				if (!valid) return;
				const { data: res } = await this.$http.post(
					'login',
					this.loginForm
				);
				if (res.meta.status !== 200)
					return this.$message.error('登录失败!');
				this.$message.success('登录成功!');
				console.log(res);
				window.sessionStorage.setItem('token', res.data.token);
				this.$router.push('/home');
			});
		},
	},
};
</script>

<style lang="scss" scoped>
.login_container {
	background-color: #2b4b6b;
	height: 100%;
	position: relative;
	.login_box {
		width: 450px;
		height: 300px;
		background-color: #fff;
		border-radius: 3px;
		position: absolute;
		left: 50%;
		top: 50%;
		transform: translate(-50%, -50%);
		position: relative;
		.avatar_box {
			height: 130px;
			width: 130px;
			border: 1px solid #eee;
			border-radius: 50%;
			padding: 10px;
			box-shadow: 0 0 10px #ddd;
			position: absolute;
			left: 50%;
			transform: translate(-50%, -50%);
			background-color: #fff;
			img {
				width: 100%;
				height: 100%;
				border-radius: 50%;
				background-color: #eee;
			}
		}
		.login_form {
			position: absolute;
			bottom: 0;
			width: 100%;
			padding: 0 20px;
			box-sizing: border-box;
			.btns {
				display: flex;
				justify-content: flex-end;
			}
		}
	}
}
</style>
